Williams Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 10/01/1993, Docket: RS92- 12-003, Status: Effective

Original Sheet No. 106 Original Sheet No. 106 : Superseded

TSS RATE SCHEDULE

Trans-Storage Service

TSS-P Production Area

TSS-M Market Area

5. AUTHORIZED OVERRUN DELIVERIES

Service under this rate schedule on any day shall not exceed the MDTQ

within each area, MDIQ, MSQ, MDWQ or, the individual MDQ's for each

delivery point within such area. However, WNG may, at the request of

Shipper, receive, store, transport and deliver on any day quantities

in excess of the MDTQ, MDIQ, MDWQ or of the individual MDQ's within

each area when, and to the extent, in WNG's reasonable judgment, the

delivery capacity of its system so permits without impairing the

ability of WNG to meet its obligations to any of its firm service

customers. The applicable maximum and minimum rate for any such

overrun deliveries shall be as stated on effective Tariff Sheet No. 6

or 6A, and absent a specific agreement specifying a discounted rate,

the maximum rate shall apply. Such Authorized Overrun Deliveries

shall be subject to the same operating terms and conditions as are

extended to service provided under Rate Schedules ITS and ISS and

shall not interrupt flowing STS, TSS, FSS, SFT and FTS service;

provided, however, that Authorized Overrun Service shall have a lower

priority for scheduling and curtailment purposes than service under

Rate Schedules ITS and ISS. The authorized overrun charge shall only

be charged if the MDWQ, MDIQ, MSQ or the MDTQ for any area is exceeded

under any service agreement.

6. STORAGE OPERATIONS

The FSS component part of this rate schedule shall be subject to the

terms and provisions of Rate Schedule FSS Sections 2 and 3.

7. OPERATIONAL PLAN AND OPERATIONAL FLOW ORDERS

WNG and customers under this Rate Schedule TSS will jointly develop

operational plans by March 1 and October 1 of each year. Such plans

shall cover injection into and withdrawal from storage, sourcing of

receipts, swing supply capability, planned maintenance, and other

necessary operational situations. Such plans will guide system

operations and will be updated monthly or more frequently if

necessary.

WNG may issue operational flow orders as provided in Article 10 of the

General Terms and Conditions to all Shippers under this rate schedule.